Tanglewood is the name of a musical rehearsal and concert facility in Berkshire County in the western part of the U.S. state of Massachusetts. It is there, between the towns of Lenox and Stockbridge. Since 1937 it's summer residence of the then headed by Sergei Aleksandrovich Koussevitzky Boston Symphony Orchestra after it had been there in 1936, a first open-air concert. The summer festival at Tanglewood is one of the most famous music festivals in the U.S. and offers concerts in the fields of classical, jazz and popular music. In addition, there are ways to musical education for high school students by the Boston University Tanglewood Institute ( BUTI ), as well as the Tanglewood Music Center for aspiring professional musicians.

Tanglewood got its name from the American author Nathaniel Hawthorne, who had taken on the advice of his publisher in March 1850 is a small house called Tanglewood Cottage in Lenox.

From the 1990s to 2011 there was also every year on Labor Day weekend ( the end of the season at Tanglewood ), a special Jazz Festival ( Tanglewood Jazz Festival), the 2012 but failed. It opened on Friday with traditional Latin Jazz pianist Marian McPartland brought Saturday with guests and Sunday, the main concerts ( afternoon / evening). Dave Brubeck played here often and it also occurred among other things, Miles Davis, Wynton Marsalis, Natalie Cole, Diana Krall, Ray Charles, Nancy Wilson, Roy Hargrove, Roy Haynes, Freddie Hubbard, Jimmy Smith and Ahmad Jamal.